European regulators with concerns about icing have mandated new warning devices and stepped-up inspections for hundreds of Bombardier commuter jets. Following Canada's lead, the European Aviation Safety Agency has given operators 30 days to update maintenance on the hot-air anti-icing system used on Bombardier CL-600 aircraft. Airlines will then have 13 months to install sensors designed to alert pilots if the heating system fails to work properly. So far, the FAA has declined to issue similar guidelines, although it has proposed a separate directive designed to prevent fuel tank explosions on the CL-600.
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